20913012

素因数分解:

$2^2\times 3^3\times {\mathrm{83}}^1\times {\mathrm{2333}}^1$

素因数の和:2429

約数の個数: 48

約数和(自身を含む): 54895680

約数和(自身を除く): 33982668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 83, 108, 166, 249, 332, 498, 747, 996, 1494, 2241, 2333, 2988, 4482, 4666, 6999, 8964, 9332, 13998, 20997, 27996, 41994, 62991, 83988, 125982, 193639, 251964, 387278, 580917, 774556, 1161834, 1742751, 2323668, 3485502, 5228253, 6971004, 10456506, 20913012]

約数ペア:

[(1, 20913012), (2, 10456506), (3, 6971004), (4, 5228253), (6, 3485502), (9, 2323668), (12, 1742751), (18, 1161834), (27, 774556), (36, 580917), (54, 387278), (83, 251964), (108, 193639), (166, 125982), (249, 83988), (332, 62991), (498, 41994), (747, 27996), (996, 20997), (1494, 13998), (2241, 9332), (2333, 8964), (2988, 6999), (4482, 4666)]